40112880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:834

約数の個数: 80

約数和(自身を含む): 124959264

約数和(自身を除く): 84846384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 397, 421, 794, 842, 1191, 1263, 1588, 1684, 1985, 2105, 2382, 2526, 3176, 3368, 3970, 4210, 4764, 5052, 5955, 6315, 6352, 6736, 7940, 8420, 9528, 10104, 11910, 12630, 15880, 16840, 19056, 20208, 23820, 25260, 31760, 33680, 47640, 50520, 95280, 101040, 167137, 334274, 501411, 668548, 835685, 1002822, 1337096, 1671370, 2005644, 2507055, 2674192, 3342740, 4011288, 5014110, 6685480, 8022576, 10028220, 13370960, 20056440, 40112880]

約数ペア:

[(1, 40112880), (2, 20056440), (3, 13370960), (4, 10028220), (5, 8022576), (6, 6685480), (8, 5014110), (10, 4011288), (12, 3342740), (15, 2674192), (16, 2507055), (20, 2005644), (24, 1671370), (30, 1337096), (40, 1002822), (48, 835685), (60, 668548), (80, 501411), (120, 334274), (240, 167137), (397, 101040), (421, 95280), (794, 50520), (842, 47640), (1191, 33680), (1263, 31760), (1588, 25260), (1684, 23820), (1985, 20208), (2105, 19056), (2382, 16840), (2526, 15880), (3176, 12630), (3368, 11910), (3970, 10104), (4210, 9528), (4764, 8420), (5052, 7940), (5955, 6736), (6315, 6352)]